Backpage - Blank screen on all PhocaGallery modules

[hberdel]

Hello,
starting Phoca Gallery Control Panel - all looks good. When I click on Images, Categories and so on I get a blank screen whitout any error-code. Only Themes and Info are shown.
On my home-pc and on another site no problems.

[Benno]

Hi,
see: https://www.phoca.cz/documents/16-joomla ... rs-on-site

Kind regards,
Benno